package com.jun.config;

import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

// AOP: 拦截器
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
    // 授权
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        // 首页所有人可以访问，功能页只有对应有权限的人才能访问
        // 请求授权的规则
        http.authorizeHttpRequests()
                .antMatchers("/").permitAll()
                .antMatchers("/level1/**").hasRole("vip1")
                .antMatchers("/level2/**").hasRole("vip2")
                .antMatchers("/level3/**").hasRole("vip3");

        // 没有权限默认会到登录界面,需要开启登录的界面
        http.formLogin().loginPage("/toLogin").usernameParameter("user").passwordParameter("pwd").loginProcessingUrl("/login");
        // 注销，开启注销功能，跳到首页
        http.logout().logoutSuccessUrl("/");
        // 开启记住我功能 cookie，默认保存两周，自定义接收前端的参数
        http.rememberMe().rememberMeParameter("remember");
    }

    // 认证
    // 密码编码：passwordEncoder
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        //这些数据正常应该从数据库中读
        auth.inMemoryAuthentication().passwordEncoder(new BCryptPasswordEncoder())
                .withUser("kuangshen").password(new BCryptPasswordEncoder().encode("123456")).roles("vip2","vip3")
                .and()
                .withUser("root").password(new BCryptPasswordEncoder().encode("123456")).roles("vip1","vip2","vip3")
                .and()
                .withUser("guest").password(new BCryptPasswordEncoder().encode("123456")).roles("vip1");
    }
}
